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(11)

EP 3 785 370 A1

(12)

(43) Date of publication: 03.03.2021 Bulletin 2021/09 (21) Application number: 19724297.7 (22) Date of filing: 17.04.2019

(51) International Patent Classification (IPC):  H03H 19/00(2006.01) (86) International application number: PCT/US2019/027964 (87) International publication number: WO 2019/209596 (31.10.2019 Gazette 2019/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.04.2018 US 201815962967 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)

(72) Inventors: GATHMAN, Timothy Donald San Diego, California 92121 (US) GUO, Yuhua San Diego, California 92121 (US) LEUNG, Lai Kan San Diego, California 92121 (US) DAGHER, Elias San Diego, California 92121 (US) ALLADI, Dinesh Jagannath San Diego, California 92121 (US) (74) Representative: Klang, Alexander H.  Wagner & Geyer Partnerschaft mbB Patent- und Rechtsanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)